Choi Min-sik
Hyeon-woo
Acting
Jang Shin-young
Su-yeon
Acting
Kim Ho-jung
Yeon-hee
Acting
Kim Kang-woo
Ju-ho
Acting
Youn Yuh-jung
Mother
Acting
Kim Yeong-ok
Jae Il's grandmother
Acting
Jang Hyun-sung
Kyung-soo
Acting
Choi Il-hwa
Yong Seok's father
Acting
Kim Dong-young
Yong Seok
Acting
Uhm Hyo-seop
On-duty teacher
Acting
Lee Min-ah
The woman in front
Acting
Lee Eon
(uncredited)
Acting
Lee Jae-eung
Jae-il (uncredited)
Acting
Kim Jung-pal
Young Miner
Acting